Home / 39,582.78-59,378.07-11,503.08

Finding the Fourth Proportional to 39,582.78, 59,378.07 and 11,503.08

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Solution

The fourth proportional to 39,582.78, 59,378.07 and 11,503.08 is: 17,255.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,582.78 : 59,378.07 = 11,503.08 : x
  2. Step 2: Convert to fraction form
    39,582.78/59,378.07 = 11,503.08/x
  3. Step 3: Cross multiply
    39,582.78x = 59,378.07 × 11,503.08
  4. Step 4: Simplify right side
    39,582.78x = 683,030,689.46
  5. Step 5: Solve for x
    x = 683,030,689.46/39,582.78
  6. Step 6: Final answer
    x = 17,255.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.